2113342311321 has 24 divisors (see below), whose sum is σ = 3088133328384. Its totient is φ = 1392591414240.

The previous prime is 2113342311317. The next prime is 2113342311329. The reversal of 2113342311321 is 1231132433112.

2113342311321 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 342 + 311 + 3 + 2 + 1 = 666.

It is not a de Polignac number, because 2113342311321 - 2² = 2113342311317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113342311329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3645411 + ... + 4185176.

It is an arithmetic number, because the mean of its divisors is an integer number (128672222016).

Almost surely, 2^{2113342311321} is an apocalyptic number.

It is an amenable number.

2113342311321 is a deficient number, since it is larger than the sum of its proper divisors (974791017063).

2113342311321 is a wasteful number, since it uses less digits than its factorization.

2113342311321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7830941 (or 7830938 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 2113342311321 its reverse (1231132433112), we get a palindrome (3344474744433).

The spelling of 2113342311321 in words is "two trillion, one hundred thirteen billion, three hundred forty-two million, three hundred eleven thousand, three hundred twenty-one".